Mutually Deformed Friction-Welded Interface

23 nm Interlayer

A Ni interlayer enables mutual deformation at both interfaces, replacing brittle amorphous layers with a thin semi-coherent intermetallic, improving joint strength and fatigue.

Ma, Hong · Geng, Peihao · Yang, Li · Bandaru, Aswani Kumar · Ninshu, Ma · Tianming, Liu · Luo, Rui · Qin, Guoliang

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing 2025

Specifications

tensile strength

{'zh': '约354', 'en': '~354'} MPa

ternary intermetallic layer

{'zh': '约23', 'en': '~23'} nm thick

非晶层及

{'zh': '100', 'en': ''} nm

Advantages

significant reduction in residual stress and improved low-cycle fatigue